2162193643 has 8 divisors (see below), whose sum is σ = 2193684416. Its totient is φ = 2130753600.

The previous prime is 2162193599. The next prime is 2162193659. The reversal of 2162193643 is 3463912612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162193643 is a prime.

It is a super-2 number, since 2×2162193643² = 9350162699659222898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162190643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77833 + ... + 101893.

It is an arithmetic number, because the mean of its divisors is an integer number (274210552).

Almost surely, 2^2162193643 is an apocalyptic number.

2162193643 is a deficient number, since it is larger than the sum of its proper divisors (31490773).

2162193643 is a wasteful number, since it uses less digits than its factorization.

2162193643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25365.

The product of its digits is 46656, while the sum is 37.

The square root of 2162193643 is about 46499.3940068040. The cubic root of 2162193643 is about 1293.0982641662.

The spelling of 2162193643 in words is "two billion, one hundred sixty-two million, one hundred ninety-three thousand, six hundred forty-three".